Mr. Hatton. Well, we have a 1,600,000-gallon plant now. The aggregate cost of our total plant is estimated to be about two and a half million dollars—will be that much.

Mr. Tawney. And that will take care of——

Mr. Hatton. A hundred million gallons.

Mr. Powell. What is your population?

Mr. Hatton. The present population, 450,000; we are building a plant to provide for a population of 800,000.

Mr. Mignault. What is the per capita cost?

Mr. Hatton. I have not worked it out.

Mr. Powell. Does the cost decrease relatively in larger plants?

Mr. Hatton. Quite so; yes, sir.

Mr. Powell. It is not adding simply a unit?